condition	mean	min	max
4 h after light	1535.545	1463.716667	1677.415
8 h after light	1657.937222	1404.353333	2032.195
12 h after light	1490.172222	1276.753333	1730.703333
1.5 h after dark	1164.842222	899.59	1363.003333
5.5 h after dark	1066.5866665666667	762.5866667	1320.24
9.5 h after dark	1121.7255557666667	939.4733333	1359.486667